I keep missing tactics in 5+5 blitz , but the upside is that those games routinely generate chessgastic puzzles!

I've made a tactic (and a bit positional) 'find the best move' quiz based on the Stockfish 6 analysis of my last short blitz session.

I find it a great idea for everyone to do post-mortem analysis of your chess games, find spots where the engine spots the bizarre moves that you didn't see, and then share them with us so that we try to crack the puzzles without engines!

I know that it's not so interesting to seek tactics when the player that has them would be already winning if he made normal moves, but still, even such unbalanced puzzles are good for honing blitz skills because time is limited and it's better to spot opportunities to finish the opponent off instantly instead of grinding him down and risking blundering yourself or losing on time.

Right after each critical move, I've written in green how many points you get for finding it, e.g. [3] means that you score 3 points for the move if you've found it and are able to prove that it works well.

If there are alternative good candidate moves in the same position and you've found them all (which you should try to), add the points for them all.

Try to find a few feasible defenses for the 'opponent' (the player who is not to move) as well and the way to refute them. You can add points for a move that's a follow-up in a line only if you foresaw the entire line up to it, i.e. the corresponding defensive sequence of the opponent and the move in question as a response to it before looking at the corresponding spoiler.

Let us know how many points (out of 100 in this very quiz, allocated to moves somewhat arbitrarily basing on their incremental difficulty so that better lines get better total scores) you'll have scored without looking the spoilers up prematurely or using an engine.

In all the diagrams, the player to make a move is the one whose pawns go up the diagram. Read each spoiler only after you've read the previous one and tried to solve the puzzle given in it.

If you want to discuss any of the positions / moves relevant to the quiz, remember to put your thoughts into a spoiler.

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My White opponent had sacrificed the knight on f7 for an attack attempt (he then left another piece hanging, but I bought his big bluff and didn't take it ) Why was his c5-c6 bad in this position?

(The next position occurred the same fancy opponent, who had sacrificed a knight on g2 )